Could not change permission for files under /boot/efi
Issue
- Could not change permission for
/boot/efi/EFI/redhat/grub.conf
on RHEL 6
[root@rhel6 redhat]# ls -ltr
total 248
-rwx------ 1 root root 247570 Jan 22 2011 grub.efi
-rwx------ 1 root root 887 May 20 2014 grub.conf
[root@rhel6 redhat]# pwd
/boot/efi/EFI/redhat
[root@rhel6 redhat]# chmod 600 grub.conf
[root@rhel6 redhat]# ls -ltr
total 248
-rwx------ 1 root root 247570 Jan 22 2011 grub.efi
-rwx------ 1 root root 887 May 20 2014 grub.conf
- Could not change permission for
/boot/efi/EFI/redhat/grub.cfg
on RHEL 7 and above
[root@rhel8 ~]# cd /boot/efi/EFI/redhat/
[root@rhel8 redhat]# ls -ltr
total 4884
-rwx------. 1 root root 2285512 Feb 25 2021 grubx64.efi
drwx------. 2 root root 4096 Feb 25 2021 fonts
-rwx------. 1 root root 918944 Apr 7 2021 shimx64-redhat.efi
-rwx------. 1 root root 924888 Apr 7 2021 shimx64.efi
-rwx------. 1 root root 846856 Apr 7 2021 mmx64.efi
-rwx------. 1 root root 182 Apr 7 2021 BOOTX64.CSV
-rwx------. 1 root root 1024 Jan 26 11:33 grubenv
-rwx------. 1 root root 6374 Jan 26 11:33 grub.cfg
[root@rhel8 redhat]# pwd
/boot/efi/EFI/redhat
[root@rhel8 redhat]# chmod 600 grub.cfg
[root@rhel8 redhat]# ls -ltr
total 4884
-rwx------. 1 root root 2285512 Feb 25 2021 grubx64.efi
drwx------. 2 root root 4096 Feb 25 2021 fonts
-rwx------. 1 root root 918944 Apr 7 2021 shimx64-redhat.efi
-rwx------. 1 root root 924888 Apr 7 2021 shimx64.efi
-rwx------. 1 root root 846856 Apr 7 2021 mmx64.efi
-rwx------. 1 root root 182 Apr 7 2021 BOOTX64.CSV
-rwx------. 1 root root 1024 Jan 26 11:33 grubenv
-rwx------. 1 root root 6374 Jan 26 11:33 grub.cfg
Environment
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
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